/*
 *    Copyright 2021 Huawei Technologies Co., Ltd.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package org.edgegallery.developer.service.application.action.impl;

import org.edgegallery.developer.service.application.action.IAction;
import org.edgegallery.developer.service.application.action.IActionCollection;
import org.edgegallery.developer.service.application.action.IActionIterator;

public class ActionIterator implements IActionIterator {

    private IActionCollection collection;

    private int index = 0;

    public ActionIterator(IActionCollection collection) {
        this.collection = collection;
    }

    @Override
    public boolean hasNext() {
        return index < collection.getActionList().size();
    }

    @Override
    public IAction nextAction() {
        if (hasNext()) {
            return collection.getActionList().get(index++);
        }
        return null;
    }
}
